#173660#173660

#173660 is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.3% C 0.083 H 256.8°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#173660
RGB	rgb(23, 54, 96)
HSL	hsl(215, 61%, 23%)
HSV	hsv(215, 76%, 38%)
CMYK	cmyk(76%, 43.7%, 0%, 62.4%)
CIE-LAB	lab(22.53, 4.64, -28.30)
CIE-LCH	lch(22.53, 28.68, 279.30°)
OKLab	oklab(33.34% -0.019 -0.0808)
OKLCH	oklch(33.34% 0.083 256.8)
XYZ	xyz(3.7831, 3.6646, 11.5720)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173660 #604117

analogous

#175A60 #173660 #1C1760

triadic

#173660 #601736 #366017

tetradic

#173660 #60175A #604117 #17601C

square

#173660 #60175A #604117 #17601C

split-complementary

#173660 #601C17 #5A6017

monochromatic

#060E19 #0B1A2F #173660 #235291 #2F6EC3

Accessibility & contrast

On white

12.12

#173660 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#173660 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173660

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173660	#FFFFFF	#000000	##FFFFFF
##173660	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#223962

Deuteranopia (green-blind)

#16335F

Tritanopia (blue-blind)

#004046

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #173660;
/* rgb */ color: rgb(23, 54, 96);
/* oklch */ color: oklch(33.3% 0.083 256.8);

Tailwind

colors: {
  custom: {
    50: '#5f6c8d',
    500: '#173660',
    950: '#000000',
  },
}

SCSS

$custom: #173660;
$custom-light: #5f6c8d;
$custom-dark: #000000;

JSON

{
  "hex": "#173660",
  "rgb": {
    "r": 23,
    "g": 54,
    "b": 96
  },
  "hsl": {
    "h": 214.521,
    "s": 61.345,
    "l": 23.333
  },
  "oklch": {
    "l": 0.33337,
    "c": 0.08299,
    "h": 256.8
  },
  "luminance": 0.03665
}

Semantic roles & 50–950 ramp

primary

#173660

secondary

#97703C

accent

#A043E4

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #173660

Body copy rendered with the generated semantic roles for this colour.

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